| NWS Forecast for: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM (ANZ254) Issued by: National Weather Service Norton, MA Last Update: 403 PM EDT Fri Aug 7 2026 |  |
| Tonight: SW winds around 10 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 5 seconds and E 1 foot at 9 seconds. Patchy fog. Vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. Sat: SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds. Sat Night: SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and E 1 foot at 9 seconds. Sun: SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave detail: W 3 ft at 6 seconds and E 1 foot at 9 seconds. Sun Night: SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave detail: SW 3 ft at 6 seconds and E 1 foot at 9 seconds. Mon And Mon Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 6 seconds and E 1 foot at 9 seconds. Tue: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Tue Night And Wed: W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Wed Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. | |
| Zone Forecast: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM (ANZ254) | |
Visit your local NWS office at: https://www.weather.gov/boston |